#2B258C#2B258C

#2B258C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.0% C 0.163 H 276.5°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#2B258C
RGB	rgb(43, 37, 140)
HSL	hsl(243, 58%, 35%)
HSV	hsv(243, 74%, 55%)
CMYK	cmyk(69.3%, 73.6%, 0%, 45.1%)
CIE-LAB	lab(22.76, 36.25, -55.95)
CIE-LCH	lch(22.76, 66.67, 302.94°)
OKLab	oklab(34.96% 0.0183 -0.1616)
OKLCH	oklch(34.96% 0.163 276.5)
XYZ	xyz(6.3899, 3.7296, 25.1890)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B258C #868C25

analogous

#25538C #2B258C #5F258C

triadic

#2B258C #8C2B25 #258C2B

tetradic

#2B258C #8C2553 #868C25 #258C5F

square

#2B258C #8C2553 #868C25 #258C5F

split-complementary

#2B258C #8C5F25 #538C25

monochromatic

#0D0B2B #1C185C #2B258C #3A32BC #6058D3

Accessibility & contrast

On white

12.03

#2B258C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2B258C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B258C

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B258C	#FFFFFF	#000000	##FFFFFF
##2B258C	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8F

Deuteranopia (green-blind)

#00328A

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b258c;
/* rgb */ color: rgb(43, 37, 140);
/* oklch */ color: oklch(35.0% 0.163 276.5);

Tailwind

colors: {
  custom: {
    50: '#7361af',
    500: '#2b258c',
    950: '#000000',
  },
}

SCSS

$custom: #2b258c;
$custom-light: #7361af;
$custom-dark: #000000;

JSON

{
  "hex": "#2b258c",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 140
  },
  "hsl": {
    "h": 243.495,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34959,
    "c": 0.16268,
    "h": 276.5
  },
  "luminance": 0.0373
}

Semantic roles & 50–950 ramp

primary

#2B258C

secondary

#B2B855

accent

#E146D8

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090510

muted

#7B797F

Preview Lab

Preview with #2B258C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →